The Evening Standard has teamed up with Grand Designs Live to offer 20,000 free tickets to the event at Londons Excel. VALID 25TH-1ST ONLY. You can select up to 2 tickets. No mention of visiting at weekdays only either. Closing date 31st March. Tickets will be allocated on a first come first serve basis.

To book your free ticket click here and enter special offer code EVEST09.